1) l to 100ml blue Essential Oil bottles 2) dropper glass bottles,essential oil dropper,dropper bottle 3) many kinds caps Product DescriptionGlass ... mouth(OD): 18mmCapacity:5ml 10ml 15ml 20ml 30ml 50ml 100ml. Essential Oil bottles Tamper Evident Caps and Orifice Reducers 1.ID: ... size and color : 5ml 10ml 15ml 20ml 30ml 50ml 100ml,clear,amber,green,blue, other dropper bottles volumes and capacities ...